engineering mathematics MCQ #4323

For what value of m, the equation x² - (m + 3)x + m = 0 has equal roots?

engineering mathematics MCQ #4323

  1. Question 1

    Q1. For what value of m, the equation x² - (m + 3)x + m = 0 has equal roots?

    • A) 9 or 1
    • B) -9 or 1
    • C) 9 or -1
    • D) -9 or -1

    Answer: 9 or 1

    Explanation: Using discriminant b² - 4ac = 0, where b = -(m + 3) and c = m, we get (m + 3)² - 4m = 0.